diff --git a/setup.py b/setup.py
index b62390695..6f01563f9 100644
--- a/setup.py
+++ b/setup.py
@@ -30,10 +30,10 @@ def readme():
         'Development Status :: 3 - Alpha',
         'Intended Audience :: Developers',
         'License :: OSI Approved :: GNU General Public License v3 (GPLv3)',
-        'Programming Language :: Python :: 3.4'
-        'Programming Language :: Python :: 3.5'
-        'Programming Language :: Python :: 3.6'
-        'Programming Language :: Python :: 3.7'
+        'Programming Language :: Python :: 3.4',
+        'Programming Language :: Python :: 3.5',
+        'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3 :: Only',
     ],